It may be a thermostat or it may be the temperature sensor. In the former
case, running cool is not optimum but is unlikely to ruin your engine
either. If it is the latter, then your engine may actually be at normal
temperature. I'd have it checked but YMMV.
Hi, I have the 150 HP engine and the water temperature rarely exceeds
70°C. Oil Temperature is also something like that.
I would not worry. It has been like that from the beginning. IMO only
a sign of a cooling system with margins.
* Audi A6 Avant TDI *
* reply to wolfgang dot pawlinetz at chello dot at *
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